20869456

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18371}}^1$

素因数の和:18450

約数の個数: 20

約数和(自身を含む): 41006304

約数和(自身を除く): 20136848

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18371, 36742, 73484, 146968, 293936, 1304341, 2608682, 5217364, 10434728, 20869456]

約数ペア:

[(1, 20869456), (2, 10434728), (4, 5217364), (8, 2608682), (16, 1304341), (71, 293936), (142, 146968), (284, 73484), (568, 36742), (1136, 18371)]